Scheduling with time clock controls turns lights on and off, sets lighting levels for different times of day and changes the lighting profile for after-hours mode. More sophisticated systems also respond to signals sent from external control devices such as sensors or switches.
Paraffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.araffin wax is a solid form of paraffin, a specific type of alkane hydrocarbon. It is used in a wide range of everyday applications, most notably in common candles. This wax also sees a great deal of use in industrial applications, and it is present in everything from the Lunar Rover to drywall.
Paraffin Wax for Hands and Feet. When paraffin wax baths are offered as a service at a spa or nail salon, the hands or feet are typically dipped into a tub of warm paraffin wax -- often two or three times -- to create a thick coating that will retain heat for several minutes.s the wax hardens, the paraffin's natural emollient softens skin and the heat opens pores. When the cooled wax is pulled away from the skin, it also removes dead skin cells, leaving skin smoother [source: Barajas ].